#343C72#343C72

#343C72 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.092 H 274.8°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#343C72
RGB	rgb(52, 60, 114)
HSL	hsl(232, 37%, 33%)
HSV	hsv(232, 54%, 45%)
CMYK	cmyk(54.4%, 47.4%, 0%, 55.3%)
CIE-LAB	lab(27.23, 13.50, -32.30)
CIE-LCH	lch(27.23, 35.00, 292.68°)
OKLab	oklab(37.78% 0.0077 -0.0918)
OKLCH	oklch(37.78% 0.092 274.8)
XYZ	xyz(6.0683, 5.1763, 16.5957)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C72 #726A34

analogous

#345B72 #343C72 #4B3472

triadic

#343C72 #72343C #3C7234

tetradic

#343C72 #72345B #726A34 #34724B

square

#343C72 #72345B #726A34 #34724B

split-complementary

#343C72 #724B34 #5B7234

monochromatic

#0E101E #212648 #343C72 #47529C #6771BA

Accessibility & contrast

On white

10.32

#343C72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#343C72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C72

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C72	#FFFFFF	#000000	##FFFFFF
##343C72	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254374

Deuteranopia (green-blind)

#1E3E71

Tritanopia (blue-blind)

#194851

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #343c72;
/* rgb */ color: rgb(52, 60, 114);
/* oklch */ color: oklch(37.8% 0.092 274.8);

Tailwind

colors: {
  custom: {
    50: '#70719b',
    500: '#343c72',
    950: '#000000',
  },
}

SCSS

$custom: #343c72;
$custom-light: #70719b;
$custom-dark: #000000;

JSON

{
  "hex": "#343c72",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 114
  },
  "hsl": {
    "h": 232.258,
    "s": 37.349,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37778,
    "c": 0.09212,
    "h": 274.8
  },
  "luminance": 0.05177
}

Semantic roles & 50–950 ramp

primary

#343C72

secondary

#A29960

accent

#BF5ACD

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #343C72

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →